91213018

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1090

約数の個数: 24

約数和(自身を含む): 148737276

約数和(自身を除く): 57524258

約数列:

[1, 2, 13, 26, 169, 338, 421, 641, 842, 1282, 5473, 8333, 10946, 16666, 71149, 108329, 142298, 216658, 269861, 539722, 3508193, 7016386, 45606509, 91213018]

約数ペア:

[(1, 91213018), (2, 45606509), (13, 7016386), (26, 3508193), (169, 539722), (338, 269861), (421, 216658), (641, 142298), (842, 108329), (1282, 71149), (5473, 16666), (8333, 10946)]